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(N0 ModeL] E. KEMPSHALL.

DIE I'OR APPLYING PLASTIC MATERIAL TO LAGING HOOKS.

No. 532,204. I Patented Jan. 8, 1895.

1 I I "MI I 1 :1 //fimiil J' 159.10 6 Wrinesscs: wenl-or OGMQMZ Eleazerempshall) 1 UNITED STATES PATENT OFFICE.

ELEAZER KEMPSHALL, OF SHARON, MASSACHUSETTS.

DIE FOR APPLYING PLASTIC MATERIAL TO LAClNG-HOOKLS.

srnorrronzrzon' forming part r Letters Patent No. 532, 204, datedJanuary 8,1 895.

Application filed October 17, 1894-, Serial No- 526,137. (No model.)

To all whom it may concern..-

Be it known that I, ELEAZER KEMPSHALL, of Sharon, in the county ofNorfolk and State of Massachusetts, have invented-certain new and usefulImprovements in Dies for Applying Plastic Material to Lacing-Hooks, ofwhich the following, taken in connection with the accompanying drawings,is a specification.

My invention relates to dies for applying plastic material to lacinghooks; and it consists in certain novel features of construction,arrangement and combination of parts which will be readily understood byreference to the description of the drawings and to the claims heretoappended and in which my invention is clearly pointed out.

Figure 1 of the drawings is an end elevation of a set of dies embodyingmy invention. Fig. 2 is a vertical section of the same on line 2, 2 onFig. 1. Fig. 3 is a plan of the bed plate and the removable bed dies.Fig. 3 is an edge view'of the head supporting bed die. Fig. 4 isatransverse section of the same on line 3, 3, on Figs 3 and 5. Fig. 5 isan inverted plan of the same. Fig. 6 is an edge view of the necksupporting die. Fig. 7 is a transverse section of the same on line 4, 4,on Figs. 6 and 8. Fig. 8 is an inverted plan of the same. Fig. 9 is acentral vertical section of a lacing hook with its head covered withplastic material by my improved dies, but drawn to an enlarged scale,and Fig. 10 is a sectional elevation of the dies with the metal hook inposition therein.

In the drawings A is the bed-plate having formed in its upper face ashallowtransverse groove a. in which are fitted side by side the headsupporting and shaping die I; and the neck supporting die plate 0, andsaid bedplate has formed therein beneath the die plates b and c theperforation d to receive the shank e of the lacing hook, and also hasset in its upper side the guide studs f, f, and register pin g as shown.

The die plate 12 has formed in its upper surface an annular shallowrecess h of a depth equal to the thickness of the plastic material thatit is desired to have beneath the metal head of the hook. In the centerof the recess 71. is an upwardly projecting boss or hub o the uppersurface of which is on a level with the upper surface of the die-plateb. The plate I) formed in their contiguous edges semi-circular notchesto engage the registering pin g.

B is a vertically movable plate fitted to and 'movable on the guidestuds f, f, and has set therein the movable head shaping die 0 as shown.v

The operation of my invention is as fol lows: The metal hook, the headof which is a plain disk of metal having parallel upper and lower sides,is slipped upon the thin edge It of the plate I with the under side ofthe head 6 thereof resting upon the boss or hub t' and the flange e'ofsaid hook within the recess 3'. The plate I) is then placed in thegroove a of the bed plate A with the semi-circular notch in the edgethereof engaging the side of the pin g. The plate 0 is then placed inposition in the groove abeside the plate b, with the semicircular notchin its edge inengagementwith the pin g, and. the curved surface 0bearing against the neck e of the lacing hook, as shown in Fig. 10.Apieceof pyroxylineorlike material of sufficient size and heated tobring it into a plastic state is placed upon the upper side of the metalhead ofthe hook beneath the die 0 which is then moved downward upon saidplastic material, with sufficient pressure to impart the desired shapeto the top of the head, and force the plastic material beneath saidhead, so as to fill the space between the under side of the metal headof the hook and the bottom of the recess 71. up to and surrounding theboss or hub 41. The die 0 is then lifted, the plates 1) and c areremoved from the groove a and separated, when the hook can be removedfrom plate b by lifting it until the boss or hub t is removed from thecoveringmaterial and then moving said hook in a direction parallel tothe top and bottom faces of the plate b. By this construction ofthe'dies the metal heads of lacing hooks can be covered with a plasticmaterial upon the bottom as well as the top, without the trouble with aperforation to receive the shank of the.

hook; apair of hook holding plates detachably secured to said bed plateone of which is provided with an upper annular recess surrounding acentral boss or hub upon which the metal head of the hook is supported,and a lower recess to receive the flange" or head of the shank; and avertically movable pressure die for shaping the plastic material.

3. The combination of the bed-plate A provided with the groove a and theperforation d; the registering pin g set in said plate; the plate I)provided with the recesses h and j and the hub or boss '5 and asemicircular notch to engage the pin g; the plate 0 provided with asimilar notch to engage said pin 9 and the curved surface 0' to bearupon and support the neck of the hook to be operated upon; and thevertically movable die 0 all constructed, arranged and operatingsubstantially as described.

tln testimony whereof I have signed my name to this specification, inthe presence of two subscribing witnesses, on this 15th day of October,A. D1894.

ELEAZER KEMPSHALL.

Witnesses:

N. O. LOMBARD, WALTER E. LOMBARD.

